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Finding the Fourth Proportional to 6,387.71, 8,814.98 and 3,734.61

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Solution

The fourth proportional to 6,387.71, 8,814.98 and 3,734.61 is: 5,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.71 : 8,814.98 = 3,734.61 : x
  2. Step 2: Convert to fraction form
    6,387.71/8,814.98 = 3,734.61/x
  3. Step 3: Cross multiply
    6,387.71x = 8,814.98 × 3,734.61
  4. Step 4: Simplify right side
    6,387.71x = 32,920,493.78
  5. Step 5: Solve for x
    x = 32,920,493.78/6,387.71
  6. Step 6: Final answer
    x = 5,153.73

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